Home / 8,140.08-12,210.14-2,944.74

Finding the Fourth Proportional to 8,140.08, 12,210.14 and 2,944.74

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Solution

The fourth proportional to 8,140.08, 12,210.14 and 2,944.74 is: 4,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.08 : 12,210.14 = 2,944.74 : x
  2. Step 2: Convert to fraction form
    8,140.08/12,210.14 = 2,944.74/x
  3. Step 3: Cross multiply
    8,140.08x = 12,210.14 × 2,944.74
  4. Step 4: Simplify right side
    8,140.08x = 35,955,672.94
  5. Step 5: Solve for x
    x = 35,955,672.94/8,140.08
  6. Step 6: Final answer
    x = 4,417.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.